class WorkWithGantt < ActiveRecord::Migration
  def self.up
   add_column :todos,:created_at,:datetime
   add_column :todo_items,:created_at,:datetime
   add_column :todo_items,:due_at,:datetime
   add_column :todo_items,:finished_by_id,:integer
   add_column :milestones,:created_at,:datetime
   add_column :milestones,:start_at,:datetime
   add_column :milestones,:finished_by_id,:integer
  end

  def self.down
  end
end
